CN106554594A - A kind of SEBS composites suitable for 3D printing and preparation method thereof - Google Patents
A kind of SEBS composites suitable for 3D printing and preparation method thereof Download PDFInfo
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- CN106554594A CN106554594A CN201510625700.4A CN201510625700A CN106554594A CN 106554594 A CN106554594 A CN 106554594A CN 201510625700 A CN201510625700 A CN 201510625700A CN 106554594 A CN106554594 A CN 106554594A
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Abstract
The present invention relates to a kind of SEBS composites suitable for 3D printing and preparation method thereof, are prepared by the raw material of following components and mass percentage content:Polypropylene 20-30 parts, thermoplastic elastomer (TPE) SEBS 10-30 parts, polystyrene 10-20 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.Above-mentioned raw materials extrude wire drawing using double screw extruder Jing after high-speed kneading machine mixing.Compared with prior art, the characteristics of material that the present invention is prepared has soft, further improves weatherability, the thermostability of material, while also showing outstanding on fluency and material interlayer adhesion is printed.
Description
Technical field
The invention belongs to polymeric material field, it is adaptable to the material of 3D printing, more particularly, to a kind of SEBS composites suitable for 3D printing and preparation method thereof.
Background technology
One kind of 3D printing technique, i.e. rapid shaping technique, it be one kind based on mathematical model file, with metal or plastics etc. can jointing material, by section, the mode for successively printing carrys out the technology of constructed object.In Design of Dies, industrial machinery part is manufactured, automobile, aviation, and the field such as medicine obtains broad development.3D printing technique mainly includes Stereo Lithography, laser sintered method, melting layer area method etc., wherein fusion stacking formula printing technique（FDM）It is particularly important one kind, its range of application is also extremely wide.
Fusion sediment formula printing technique（FDM）Cardinal principle be under the melting temperature of slightly above printed material by heating thermoplastic material is made its melting from nozzle extrude, by computer control, be piled into finished product from level to level.Current fusion stacking formula printing technique（FDM）The printed material used is mainly ABS, nylon, polylactic acid（PLA）Deng.
At present the consumptive material used in 3D printing, is substantially hard consumptive material, and is to need many SEBS composites in industry and life, and such as tire model etc. is ABS, and PLA these hard materials cannot meet requirement.High soft elastomeric consumptive material is developed for this and will greatly promote the scope of application of 3D printing, can such as print clothes, shoes, Mature Audiences, electronic product, auto parts machinery, mother and baby's articles for use, dress ornament accessories, massager, sporting goods, bath articles, packing container, medical device, thin film shell, encapsulated handle, tableware, toy for children etc..
The content of the invention
The purpose of the present invention be exactly for the demand gap for making up current 3D printing consumptive material market, and provide it is a kind of there is soft, while SEBS composites suitable for 3D printing with good 3D printing effect and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of SEBS composites suitable for 3D printing are prepared by the raw material of following components and mass percentage content:Polypropylene 20-30 parts, thermoplastic elastomer (TPE) SEBS 10-30 parts, polystyrene 10-20 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
The melt index of the SEBS composites is 5-20g/10min.
The shore hardness of the SEBS composites（A）For 30-90.
Described polypropylene be Daqing petrochemical T30S, Dalian petrochemical industry Z69S, one or more in the too Z30S of Dalian west.
YH503s of the described thermoplastic elastomer (TPE) SEBS for Ba Ling petrochemical industry, YH506, YH511, one or more in YH604.
Described polystyrene is Yanshan Petrochemical 666D, the strange U.S. PG-33 in Zhenjiang, BASF-YPC 158K, one or more in Daqing petrochemical 206.
Described mineral oil be 32# white oils, 70# white oils, 100# white oils, the one kind in naphthenic oil.
Described antioxidant is 1024, DSTP, 3114.
Described fire retardant be deca-BDE, TDE, one or more in bromination vinylbenzene.
A kind of preparation method of the SEBS composites suitable for 3D printing adopts following steps:
（1）According to following components and weight/mass percentage composition dispensing:Polypropylene 20-30 parts, thermoplastic elastomer (TPE) SEBS 10-30 parts, polystyrene 10-20 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
（2）Said components are placed at into mixing 1-10 minutes in high-speed kneading machine, pre-composition is obtained;
（3）Pre-composition is placed in double screw extruder carries out extrusion wire drawing, that is, obtain a kind of SEBS composites suitable for 3D printing.
Described double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Compared with prior art, the present invention has advantages below:
1st, the present invention develops a kind of SEBS composites suitable for FDM3D printing techniques, and the material has soft, and prints product and have excellent surface tactile sensation, has widened 3D printing Material Field.
2nd, the SEBS composites suitable for 3D printing of the invention employ thermoplastic elastomer (TPE) SEBS, therefore, not only with compression resistant morphotropism and excellent mechanical property, while further improving the weatherability of material, thermostability.
3rd, the SEBS composites suitable for 3D printing of the invention also show outstanding on fluency and material interlayer adhesion is printed.
4th, the characteristics of preparation method of the SEBS composites suitable for 3D printing of the invention there is process to be simple and convenient to operate, is easy to industrialized production.
Specific embodiment
Below by way of specific embodiment, the present invention is described in further detail, but this should not be interpreted as the scope of the present invention and be only limitted to following instance.In the case of without departing from said method thought of the present invention, the various replacements made according to ordinary skill knowledge and customary means or change are should be included in the scope of the present invention.
Embodiment 1
Suitable for the preparation method of the SEBS composites of 3D printing, using following steps:
（1）27 parts（Weight ratio, similarly hereinafter）Polypropylene T30S, 30 parts of thermoplastic elastomer (TPE) SEBS YH503, the strange U.S. PG-33 in 10 parts of polystyrene Zhenjiang, 30 parts of #70 white oils, the bromination vinylbenzene of 2 parts of 1024,1 part of antioxidant.
（2）Press（1）Middle proportioning weighs each material, mixes 1-10 minutes, obtain pre-composition in high-speed kneading machine;
（3）Will（2）Gained pre-composition is placed in double screw extruder and carries out extrusion wire drawing, and double screw extruder temperature is set as successively:190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Resulting materials shore hardness（A）For 45, tensile strength is pulled apart for 4MPa, ultimate elongation is 300%, with good 3D printing fluency and interlayer adhesion.
Embodiment 2
Suitable for the preparation method of the modified polylactic acid composite material of 3D printing, using following steps:
（1）20 parts（Weight ratio, similarly hereinafter）Polypropylene T30S, 20 parts of thermoplastic elastomer (TPE) SEBS YH503, the strange U.S. PG-33 in 20 parts of polystyrene Zhenjiang, 35 parts of #100 white oils, 3 parts of antioxidant DSTP, 2 parts of deca-BDE.
（2）Press（1）Middle proportioning weighs each material, mixes 1-10 minutes, obtain pre-composition in high-speed kneading machine;
（3）Will（2）Gained pre-composition is placed in double screw extruder and carries out extrusion wire drawing, and double screw extruder temperature is set as successively:190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C, 190-230 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Resulting materials shore hardness（A）For 85, tensile strength is pulled apart for 8.0MPa, ultimate elongation is 300%, with good 3D printing fluency and interlayer adhesion.
Claims (10)
1. a kind of SEBS composites suitable for 3D printing and preparation method thereof, it is characterised in that the material is prepared by the raw material of following components and mass percentage content:Polypropylene 20-30 parts, thermoplastic elastomer (TPE) SEBS 10-30 parts, polystyrene 10-20 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
2. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that the shore hardness of the SEBS composites（A）For 30-90.
3. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described polypropylene is Daqing petrochemical T30S, Dalian petrochemical industry Z69S, one or more in the too Z30S of Dalian west.
4. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that YH503s of the described thermoplastic elastomer (TPE) SEBS for Ba Ling petrochemical industry, YH506, YH511, one or more in YH604.
5. a kind of flexible material suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described polystyrene is Yanshan Petrochemical 666D, the strange U.S. PG-33 in Zhenjiang, BASF-YPC 158K, one or more in Daqing petrochemical 206.
6. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, are characterised by, described mineral oil is 32# white oils, 70# white oils, 100# white oils, the one kind in naphthenic oil.
7. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described antioxidant is 1024, DSTP, one or more in 3114.
8. a kind of SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described fire retardant is deca-BDE, TDE, one or more in bromination vinylbenzene.
9. a kind of SEBS composites suitable for 3D printing as any one of claim 1-8 and preparation method thereof, it is characterised in that the method adopts following steps:
（1）According to following components and weight/mass percentage composition dispensing:Polypropylene 20-30 parts, thermoplastic elastomer (TPE) SEBS 10-30 parts, polystyrene 10-20 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts；
（2）Said components are placed at into mixing 1-10 minutes in high-speed kneading machine, pre-composition is obtained；
（3）Pre-composition is placed in double screw extruder carries out extrusion wire drawing, that is, obtain a kind of SEBS composites suitable for 3D printing.
10. according to preparing a kind of SEBS composites suitable for 3D printing and preparation method thereof described in claim 9, it is characterised in that described double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732034A (en) * | 2017-09-27 | 2018-02-23 | 芜湖华力五星电源科技有限公司 | A kind of sealed lead acid storage battery |
| CN109810454A (en) * | 2017-11-22 | 2019-05-28 | 中国石油化工股份有限公司 | A kind of non-inflatable tyre sizing material, preparation and its application |
| CN110016197A (en) * | 2019-03-07 | 2019-07-16 | 盐城市恒星石油化学有限公司 | A kind of high mechanical and processing performance hydrocarbonaceous based resin composition |
-
2015
- 2015-09-28 CN CN201510625700.4A patent/CN106554594A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732034A (en) * | 2017-09-27 | 2018-02-23 | 芜湖华力五星电源科技有限公司 | A kind of sealed lead acid storage battery |
| CN107732034B (en) * | 2017-09-27 | 2020-10-27 | 浙江镭众科技有限公司 | Sealed lead-acid storage battery |
| CN109810454A (en) * | 2017-11-22 | 2019-05-28 | 中国石油化工股份有限公司 | A kind of non-inflatable tyre sizing material, preparation and its application |
| CN109810454B (en) * | 2017-11-22 | 2022-07-08 | 中国石油化工股份有限公司 | Non-pneumatic tire rubber material, preparation and application thereof |
| CN110016197A (en) * | 2019-03-07 | 2019-07-16 | 盐城市恒星石油化学有限公司 | A kind of high mechanical and processing performance hydrocarbonaceous based resin composition |
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